C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/2, 402/364
C08G 73/06 (2006.01)
Patent
CA 1098644
Abstract of Disclosure Hydrolysis and temperature-stable, in organic solvents insoluble polytriazine are obtained by polytrimerising polyfunctional aromatic cyanic acid esters containing alkyl or phenyl radicals or halogen atoms, at least in the ortho- and ortho'-positions to at least one -OCN-group, optionally in the presence of polytrimerization- promoting catalysts. The polytriazine may be produced in a single stage or may be interrupted us soluble, highly stable in storage prepolymers are formed and completed at a later moment. Le A 16 471
257578
Grigat Ernst
Rottloff Gunther
Sundermann Rudolf
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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